QUALCOMM, Incorporated Bluetooth Chipset CSR1021

CSR1021 QFN is a Qualcomm® Bluetooth® Low Energy technology single‑mode platform device with ultra low power consumption. CSR1021 QFN enables customer applications of up to 60 KB to be stored on chip for optimal power consumption. CSR1021 Specs Bluetooth Bluetooth Version Bluetooth 4.2 Bluetooth Technology Bluetooth Low Energy CSRmesh™ technology Maximum Output Power Up to +4dBm Bluetooth Radio 50ω -90dBm receiver sensitivity Bluetooth RF Ports 1 Audio Digital Microphone Input 1 digital mic CPU CPU Bit Architecture 16-bit MCU MCU Bit Architecture 16-bit Power Management Maximum Input Voltage 3.6V Memory MTP 256B RAM 80KB RAM Interface Supported Interfaces UART I²S SPI PDM I²C Input/Output Analog I/O 2 ADC 1 ADC 10-bit General Purpose IOs 37 PWM (LED) 5 Quadrature Decoder 4 Quadrature Decoder Operating Temperature Range Maximum Temperature 85°C Minimum Temperature -30°C Package Package Type QFN 8 x 8 x 0.65 mm 0.5 mm pitch QFN Pitch 0.5mm